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Arte-miy333 [17]
3 years ago
9

A system of equations can be written to represent coin and pricing problems. True or False.

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
3 0
<span>The answer to this question is True. Apparently, there are a lot of mathematical problems regarding coin and pricing problems can be written with a system of equations.</span>
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Simplify 30x³÷45xy²​
Mariulka [41]

Answer:

30 {x}^{3}  \div 45x {y}^{2}  =  \\ 6 {x}^{2}  \div 9 {y}^{2}  =  \\ 2 {x}^{2}  \div 3 {y}^{2}  =  \\( 2 \div 3) \times (x \div y) ^{2}

7 0
3 years ago
Will give brainliest if done properly
k0ka [10]

Answer:

\sf  \boxed{  \sf y - 3 = \dfrac{3}{2} (x - 6)}

Explanation:

\sf Given \ equation: y = \dfrac{3}{2} x - 5

Comparing it with slope intercept form "y = mx + b" where 'm' is slope and 'b' is y-intercept.

Here slope: 3/2 and y-intercept: -5

Parallel slope has the same tangent slope.

Pass through point (x, y) = (6, 3)

Equation:

\sf y - y_1 = m(x  - x_1)

\rightarrow \sf y - 3 = \dfrac{3}{2} (x - 6)

6 0
2 years ago
Which of the following quadrilaterals have diagonals that are perpendicular to each other? Check all that apply.
mars1129 [50]

Answer: Option B and option D.

Step-by-step explanation:

We know that a quadrilateral is a 2-dimensional closed shape that has four sides.

By definition the diagonals of a quadrilateral are the lines that connect two non-adjacent vertices.

The following quadrilaterals have diagonals that are perpendicular to each other (also known as perpendicular bisector diagonals), which means that they form four angles of 90 degrees (right angles): <em>Rhombus and Square.</em>

Therefore the answers are: the option B and the option D.

4 0
3 years ago
-4/7p + (-2/7p) +1/7
sesenic [268]

Answer:

-6/7p+1/7

Step-by-step explanation:

5 0
3 years ago
How long will it take to earn $568.75 in interest if $2500 is invested at a 6.5% annual interest rate
zheka24 [161]
3.5 years (so 4 years)
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568.75÷162.5 (how many years to get the desired amount) =3.5
8 0
3 years ago
Read 2 more answers
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